Coils for ION ... still a bust somewhat

[Clare Snyder]

garfield at pilgrimhouse.com wrote:
> 
> On Fri, 29 May 1998 17:47:33 -0400, Clare Snyder <snyder at huron.net>
> wrote:
> 
> >There are several different HEI coils. 1988 Caprice, GrandPrix and Monte
> >4.3 uses separated windings in the coil. So does the 87 4.3.
> 
> I feel like a good howling session at the moon is in order. HOW are you
> determining that these coils above do indeed HAVE separate windings? Are
> you just going by the NUMBER of terminals, or are you looking at a
> schematic that depicts the internal winding connections inside the coil?

I be looking right at the schematic, Gar, and on all but the Caddy DFI
(EST distributor) and the 4.3 (EST), there is a definite connection
shown between the primary and the secondary. On these two babies it is
very clear in the schematic that they are not connected. It appears the
Caddy is in the dist, and the 4.3 is external. I am looking at Mitchell
Electronic Fuel Injection, Diagnosis and testing, 7th edition. If you
want I can scan the relevent pages and e-mail them to you directly, off
line.
> 
> Cuz I have now been twice to the GM dealer, and metered these bloody
> coils TWICE now and they do NOT have separate windings. Between any pair
> of connections, there is at most 10Kohms, meaning the primary and
> secondaries are tied together. You CAN'T just go by counting the number
> of terminals on the coil. That apparently means nuthing. Some are either
> just an extra terminal for a tach connection, or actually diode
> protected terminal for tach output. I looked at a Toyota coil today I
> thot might do the job. It had 3 terminals besides the HV tower. But ALL
> 3 of those terminals and the HV post were all connected together
> internally in some way! QED, the number of terminals means nuthin about
> whether the primary and secondary are connected or not.
> 
> NOW, if your manual shows that these coils, by schematically drawing the
> internals of the coil, have separate windings, I gotta see a copy of
> that drawing!!! PLEASE.
> 
> But one thang is sure. I ain't gonna meter that coil, not even ONE more
> time. Grumble. Whimper. Those HV diodes are lookin better by the second.
> 
> Anyone so far been able to come up with a twin-output (i.e. wasteFire)
> coil that has decent primary connectors, instead of just spade terminal
> slots in it's underbelly?
> 
> Gar

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